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Table 2 Rates of continued GP substance use treatment, respectively by the GP alone or mixed with non-GP treatment, and by the GP alone, according to patient characteristics

From: General practice patients treated for substance use problems: a cross-national observational study in Belgium

  Continued substance use treatment by GP (alone or mixed with non-GP) Continued substance use treatment by GP alone
  Yes (n = 155) No (n = 324)a Yes (n = 82) No (n = 397)b
  n/N % (95% CI) n/N % (95% CI) n/N % (95% CI) n/N % (95% CI)
Men (versus women) 96/154 62.3 (54.2–70.0) 219/320 68.4 (63.0–73.5) 55/82 67.0 (55.8–77.1) 260/392 66.3 (61.4–71.0)
Age in years
 <25 7/155 4.5 (1.8–9.1) 17/324 5.2 (3.1–8.3) 1/82 1.2 (0.3–6.6) 23/397 5.8 (3.7–8.6)
 25–34 22/155 14.2 (9.1–20.7) 60/324 18.5 (14.4–23.2) 4/82 4.9 (1.3–12.0) 78/397 19.6 (15.9–23.9)
 35–44 34/155 21.9 (15.7–29.3) 62/324 19.1 (15.0–23.8) 20/82 24.4 (15.6–35.1) 76/397 19.6 (15.9–23.9)
 45–54 61/155 39.4 (31.6–47.5) 105/324 32.4 (27.3–37.8) 39/82 47.6 (36.4–58.9) 127/397 32.0 (27.4–36.8)
 55–64 31/155 20.0 (14.0–27.2) 80/324 24.7 (20.1–29.8) 18/82 22.0 (13.6–32.5) 93/397 23.4 (19.3–27.9)
Type of substance use
 Alcohol alone 64/155 41.3 (33.5–49.5) 162/324 50.0 (44.4–55.6) 33/82 40.2 (9.6–51.7) 193/397 48.6 (43.6–53.7)
 Prescription drugs 36/155 23.2 (16.8–30.7) 61/324 18.5 (14.4–23.2) 25/82 30.5 (20.8–41.6) 72/397 17.9 (14.2–22.0)
 Illicit drugs, excl. heroin and methadone 18/155 11.6 (7.0–17.7) 62/324 19.1 (15.0–23.8) 8/82 9.8 (4.3–18.3) 72/397 18.1 (14.5–22.3)
 Heroin or methadone 37/155 23.9 (17.4–31.4) 39/324 12.0 (8.7–16.1) 16/82 19.5 (11.6–29.7) 60/397 15.1 (11.7–19.0)
Substance use characteristics
 Abstinence in last 4 weeks 76/155 49.0 (40.9–57.2) 150/324 46.3 (40.8–51.9) 44/82 53.7 (42.3–64.7) 182/397 45.8 (40.9–50.9)
 Single substance use 94/155 60.6 (52.5–68.4) 211/324 65.1 (59.7–70.3) 58/82 70.7 (59.6–80.3) 247/397 62.2 (57.2–67.0)
 Problematic use ≥10 years 70/155 57.9 (48.5–66.8) 143/324 56.7 (50.4–62.9) 36/82 56.3 (43.3–68.6) 177/309 57.3 (51.6–62.9)
Substance use related problems
 Physical problems 71/155 45.8 (37.8–54.0) 162/324 50.0 (44.4–55.6) 37/82 45.1 (34.1–56.5) 196/397 49.4 (44.3–54.4)
 Mental problems 129/155 83.2 (76.4–88.7) 249/324 76.9 (71.9–81.3) 68/82 82.9 (73.0–90.3) 310/397 78.1 (73.7–82.1)
 Problems at work 26/155 16.8 (11.3–23.6) 65/324 20.1 (15.8–24.8) 8/82 9.8 (4.3–18.3) 83/397 20.9 (17.0–25.2)
 Social problems 118/155 76.1 (68.6–82.6) 233/324 71.9 (66.7–76.7) 62/82 75.6 (64.9–84.4) 289/397 72.9 (68.1–77.1)
Occupational status: at work 47/155 31.5 (24.2–39.7) 133/309 43.0 (37.4–48.8) 27/82 34.6 (24.2–46.2) 153/380 40.3 (35.3–45.4)
Treatment history
 First treatment episode 32/155 21.6 (15.3–29.1) 73/289 25.3 (20.4–30.7) 22/82 27.2 (18.3–39.1) 83/358 23.2 (18.9–27.9)
 Ongoing treatment episode (versus new) 39/155 74.8 (67.2–81.5) 188/309 60.8 (55.2–66.3) 20/82 75.6 (64.9–84.4) 242/382 63.4 (58.3–68.2)
 Wallonia-Brussels (versus Flanders) 90/155 58.1 (49.9–65.9) 121/324 37.3 (32.1–42.9) 50/82 61.0 (49.6–71.6) 161/397 40.6 (35.7–45.6)
  1. CI Confidence interval. Non-overlapping confidence intervals are in bold
  2. aThis subpopulation includes all other patients, i.e. dropped-out or deceased patients, patients who discontinued GP treatment and patients who continued usual GP treatment without GP substance use treatment
  3. bThis subpopulation includes all other patients, i.e. dropped-out or deceased patients, patients who discontinued GP treatment, and patients who continued GP treatment combined with non-GP treatment